Stapling machine core



Feb. 1, 1938. w. FQWEBER STPLl-NG MACHINE CORE Filed Aug. 27, 195i` 2Sheets-Sheet 1 Feb. 1, 193s; w. F. WEBER 2,107,169

STAPLING MACHINE CORE Filed Aug. 27, 1934 2 Sheets-Sheet 2 INVENTOR, 505W @Z/f/f feier A ORNEY.

. Patented Feb. l, 1938 UNITED STATES PATENT OFFICE s'rarLING MACHINEConn William F. Weber, Chicago, lll.

Application August 27, 1934, Serial No. 741,658

'2 Claims. (Cl. 1-3) The present invention has to do with the structureof a core or illler member for the beam of a stapling device and hasparticularly to do with the fabrication of such a core from a number oflaminations of material.

Heretofore, it has been conventional to provide a core for such amagazine as an integral member which is cut, drilled and milled toprovide the necessary variations from a trulyparallelepiped,.conilguration. I'he production of such a core from anumber of preformed strips assembled into a unit reduces the cost oiproduction, lessens the weight, allows the use of cheaper and moreeasily handled material, and facilitates the fabrication and assembly ofassociated parts.

Among the objects of the invention are included the following:

A -novel beam for a stapling machine having a core of laminatedmaterial.

An unique beam for a stapling machine comprising a core of laminatedmaterial having as a part thereof a member engaging the base of thedevice to prevent too great angular movement between the base and beam.

A beam having a core of lighter construction than usual and more readilymanufactured than a conventional solid or hollow core.

A magazine core of laminated material and upon which a riser may beintegrally formed'or to which such a riser may be attached, the riserbeing for regulating the angular movement of the magazine beam.

These objects, and such other objects as may hereinafter appear areobtained by the novel construction, unique arrangement and improvedcombination of the several elements. which constitute the severalembodiments of the invention illustrated in the accompanying two sheetsof drawings, hereby made a part of this speciication, and in which:

AFigure 1 is a side' elevation of a core made in accord with the presentinvention and especially fitted for use with the stapling deviceinvented by William G. Pankonin and which is the subject matter of anapplication for Letters Patent No. 731,609, filed June 21, 1934, in hisname and entitled staining device;

Figure 2 is a fragmentary transverse section of the core shown in Figure1 on the line 2-2 of Figure 1;

Figure 3 is a full transverse section on the line 3-3 of Figure 1;

Figure 4 is a transverse section of another type of laminated core;

.the core shown in Figure 8, but in a diiIerent Figure 5 is a transversesection of a third form of core;

Figure 6 'is a transverse section of a fourth form of core;

Figure 7 is a fragmental longitudinal section 5 of the core shown inFigure 6;

Figure 8 is a transverse section of a fth form of laminated core;

Figure 9 is a fragmentary elevation of the core shown in Figure 8;

Figure 10 is a side elevation, partly in vertical section, of a staplingmachine in which the laminated cores heretofore described may be used;

Figure 11 is an enlarged transverse section of l5 plane from that shownin Figure 8;

Figure 12 is another enlarged transverse section of the core shown inFigures 8 and 1l and is taken at still another plane;

Figure 13 is a transverse section of a sixth 20 form which the laminatedcore herein described may take; and

Figure 14 is a transverse section of a core comprisingside members andspacing washers.

Like reference characters are used to designate 25 similar parts in thedrawings and in the description of the invention which follows.

In Figures 1, 2 and 3, a core made entirely of vertically disposedlaminations is illustrated. The laminations comprise strips securedtogether by 30 dowels 59 arranged transversely thereof. In such form ofcore, there are four members,.60, 6|, 62 and 63, the two outer members60 and 63 rising to greater height than the two interior members 6I and62. 35

In all forms of laminated core, there is a member 64. having verticalparallel sides with inturned flanges extending about the memberscomprising the core as in Figure 4or two side members 65, o1' L-shapeattached thereto as 40 shown in Figure 3 to provide, with the core, arunway for staples. The spacing between the interior walls of. member 64and core, or core and side members 65, is such that the runway formedtherebetween readily receives staples. The width of the runway is suchthat staples may not be displaced from suchrunway so as to pile upon oneanother or become otherwise disarranged.

A riser 66 or 61, such as is shown in Figures 5,

6 and 7 may be employed with the structures 50 shown. Preferably theriser should be in the center of the core but a position to either sideof the center is permissible with concurrent alteration of theassociated structure and position of the limiting member against whichthe riser imand riser.

In the fabrication of a laminated core, with a U-shaped member 64 orL-shaped staple guiding members 65, simplicity of construction may beobtained by providing the various parts with tangs which arecomplementa] to slots in opposed members and also by the use-of roundrivets. In this respect the assembly of the laminated core possessesmany advantages over other forms of cores. s'

Figures 1, 2 and 3 illustrate a laminated vertical member, as previouslystated. The members of such core, 60, 6i, 62 and 63, may be cut away tolighten the core. In Figure 1, a number of openings 68 and 69 areillustrated. In addition, there has been cut away at 10 material for thereception of a loose riser such as heretofore has been mentioned. Theapertures for dowels and the dowels 59 are shown, and there are severalunnumbered apertures illustrated for the'assembly of thecore, i. e., forriveting the side members to the core proper, the rivets for thispurpose being numbered 1l'.

In Figure 4, the beam illustrated comprises a U-shaped member 64, whichacts as a spar and which has a bearing pin therethrough and which actsas a support for the laminated core, a lower lamination 12, a iiat plate13 slightly oiIset at its center to allow for clearance of rivets and onthe upper surfaces of which the bridge of the staples rides, and a rivet14 seated in a central section below the level of the outer edges of theupper lamination. The rivet 14 extends through 'mations thereof alwaysmore noticeable at the ends than in the body of the legs. Y.

Beneath the member 15 is an inverted U-member 19 which acts as a supportfor the laminated core. Rivet 80 extends through members 18, 18, 11, 16and 15. At each side is an L-shaped guide member 65. Through the member19 and side members 65, rivet 8l extends. A riser 66 is illustrated, butthis is described in the application of William G. Pankonin heretoforementioned.

In the embodiment of the invention shown in Figures 6 and 7, the corecomprises horizontal members 82, 83, 84 and 85. At their edges which arein alinement, two vertical lamination members 86 and 81 are disposed.The 'members 82 to 81, inclusive, are disposed in a U-shaped member 64,the members 82, 83 and 84 and 85 being secured together and to themembers 86 and 81 by an interfit of parts, the parts 86 and 81 beingdrawn toward one another by screws 88, inserted through and counter-sunkin member 81 and threaded into member 86. Clearance holes 88a areprovided in the side members for ready access to screws 88. Rivets withcounter-sunk heads may be used if desired and the core may be attachedto the U-shaped member by rivets or otherwise. The manner of attachingthe riser 61 shown in these figures is fully described in theapplication of William G. Pankonin, heretofore mentioned. The U-shapedmember 64 is shown with wings 89' each having an aperture 68 therein forpivoting the beam upon a base.

plnges to limit angular separation of the base I In such form of core,the clearance between core and side plates may be adjusted to a nedegree of accuracy.

In Figures 4 and 5, the top lamination is offset at its center toprovide clearance for rivets. The upper portions of the laminationprovide the staple supports while the centrally oii'set sectiontherebetween seats the rivet heads below the path of the staplestherealong. There is space between the laminated core and the adjacentfaces of the side plates and also between the inturned edges of the sideplates and the adjacent top of the laminated core for the sta- '.ples toride freely.

Staples riding on such cores contact the core over a relatively smallarea. The bridge of-the staple is practically free from frictionalcontact with the core. Only a section of each leg engages the sides ofthe core. Free movement of staples along the core is thus obtained.

It has already been pointed out that the core may comprise lightmaterial because it requires no strength. Likewise it can be ofinexpensive material because no strength is required and because thematerial is concealedexcept for a small section. Handling is facilitatedbecauselstrips may be more readily formed and tooled than solid bars,and may be fully shaped before assembly, thus reducing cost materially.Such a core combined with a stapling machine is illustrated in Figure10.

In Figures 8 and 9, another formof magazine with laminated core isillustrated. Figures 11 and 12 comprise enlarged sectional views of thecore shown in Figures 8 and 9 but are taken at different transverseplanes. This form is more particularly described and claimed in theapplication of William F. Weber for Stapling machine core, Serial No.156,683, filed July 31, 1937. It comprises a U-shaped member 464, a rib465 riveted or otherwise fastened at 486 at spaced intervals therealong,to the center of U-shaped member 464, and side laminations 461 and 468.The side members are each independently mounted for movement toward andaway from the center rib 465 and vertically toward or away from theiioor of U-shaped member 464. A

For the vertical adjustment just described, adjusting screws 468 extendthrough the members 461 and 468. For movement toward and away from thecenter rib 465, adjusting screws 418 are arranged transverse of the sidemembers 461 and 468. To maintain adjustments o1' adjusting screw 418,locking screws 41| may be employed.

Clearance holes 412 are provided in the sides of U-shaped member 464 foraccess to the adjusting screws.

As many of such adjusting screws 416 and 468 as are necessary aredisposed along the side members. There is generally enough play betweenthe side members and the rib and the side members and the bottom of the'Ll-shaped member 464 not to produce undue strains upon the severaladjusting screws during the adjustments necessary to correctly centerthe core members within the channel.

If desired, the core may be made of strips and collars or washers. Asfor example, in the device shown in Figures 8 and 9, washers may be usedabout screws 41| between side members 461 and 468 on the center ribtoproduce a core of correct transverse dimensions.

Reference should be had now to Figures .13 and 14. 'Ihe beam illustratedin Flgure 13 oomprlses an inverted U-shaped member 66|, L-

extend upwardly from the transverse section oi member Sql and through aseries of washers 508 and a strip 501 which has a central depressed.longitudinal groove 508 to receive and seat the head of rivet 505, thedepth of the groove being such that the` head of rivet 505 is below thelevel of the side sections oi! strip 501.

In this form of the invention, the bridges of the rivets ride on thetops of the sides of the strip 501 and the legs are guided by the shortstraight sides thereof, the remainder of the` legs ci the rivetsswinging free.

Figure 14 illustrates a beam having a U-shaped outer housing 5I0, havinginturned anges 5H, the housing having a center rib 5i! which may beaseparate piece welded to the bottom of housing 5H) or otherwise securedthereto. It preierred the rib 5|2 may be a tang struck up from thebottom of housing 5N.

Screws 5|3 may be threaded into (or through) the rib 5I2. Such screws5l! (of which only one is shown) support side pieces or strips 5M whichare spaced from rib 5i! by washers SI5 which circle the shanks of screwslll.

Staples ride upon the core just described with the ends of their bridgesupon the narrow edge of strip 5H, and the legs of the staples parallelto and alongside the wide faces of such strips.

What is claimed as new and is desired to be secured by Letters Patent ofthe United States is:

l. A beam magazine for a stapling device comprising a member forlimiting the outward displacement oi staples, a core of laminated stripsfor supporting and guiding such staples and over which the legsof thestaples extend, the topmost volf said strips having an onset section,and core fastening means in said oiIset section.

2. A 'magazine for preformed staples comprising an elongated channelshaped portion having a bottom portion and side portions, inturnedflanges on the top part of said side portions, a core extending withinsaid channel shaped portion longitudinally thereof, said core comprisinga plurality oi laminations of material, the bottommost laminationresting upon said bottom portion, other laminations resting upon saidbottom lamination, said laminations having their longitudinal sidesspaced from said side portions, the topmost lamination being spaced fromsaid flanges, and means securing said laminations to each other and tosaid bottom portion whereby staples are constrained to ride upon saidcore with their legs depending between said longitudinal sides oi saidlaminations and said side portions.

